docs: remove duplicate information about preprocessor variables (#30002)

docs/1.getting-started/4.assets.md

@@ -46,59 +46,3 @@ For example, referencing an image file that will be processed if a build tool is
 ::note
 Nuxt won't serve files in the [`assets/`](/docs/guide/directory-structure/assets) directory at a static URL like `/assets/my-file.png`. If you need a static URL, use the [`public/`](#public-directory) directory.
 ::
-
-### Global Styles Imports
-
-To globally insert statements in your Nuxt components styles, you can use the [`Vite`](/docs/api/nuxt-config#vite) option at your [`nuxt.config`](/docs/api/nuxt-config) file.
-
-#### Example
-
-In this example, there is a [sass partial](https://sass-lang.com/documentation/at-rules/use#partials) file containing color variables to be used by your Nuxt [pages](/docs/guide/directory-structure/pages) and [components](/docs/guide/directory-structure/components)
-
-::code-group
-
-```scss [assets/_colors.scss]
-$primary: #49240F;
-$secondary: #E4A79D;
-```
-
-```sass [assets/_colors.sass]
-$primary: #49240F
-$secondary: #E4A79D
-```
-
-::
-
-In your `nuxt.config`
-
-::code-group
-
-```ts twoslash [SCSS]
-export default defineNuxtConfig({
-  vite: {
-    css: {
-      preprocessorOptions: {
-        scss: {
-          additionalData: '@use "~/assets/_colors.scss" as *;'
-        }
-      }
-    }
-  }
-})
-```
-
-```ts twoslash [SASS]
-export default defineNuxtConfig({
-  vite: {
-    css: {
-      preprocessorOptions: {
-        sass: {
-          additionalData: '@use "~/assets/_colors.sass" as *\n'
-        }
-      }
-    }
-  }
-})
-```
-
-::